DE69115925D1 - TOROID FRICTION GEARBOX - Google Patents

TOROID FRICTION GEARBOX

Info

Publication number
DE69115925D1
DE69115925D1 DE69115925T DE69115925T DE69115925D1 DE 69115925 D1 DE69115925 D1 DE 69115925D1 DE 69115925 T DE69115925 T DE 69115925T DE 69115925 T DE69115925 T DE 69115925T DE 69115925 D1 DE69115925 D1 DE 69115925D1
Authority
DE
Germany
Prior art keywords
toroid
friction gearbox
gearbox
friction
toroid friction
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE69115925T
Other languages
German (de)
Other versions
DE69115925T2 (en
Inventor
Christopher Greenwood
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Torotrak Development Ltd
Original Assignee
Torotrak Development Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Torotrak Development Ltd filed Critical Torotrak Development Ltd
Application granted granted Critical
Publication of DE69115925D1 publication Critical patent/DE69115925D1/en
Publication of DE69115925T2 publication Critical patent/DE69115925T2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H15/00—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by friction between rotary members
    • F16H15/02—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by friction between rotary members without members having orbital motion
    • F16H15/04—Gearings providing a continuous range of gear ratios
    • F16H15/06—Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B
    • F16H15/32—Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B in which the member B has a curved friction surface formed as a surface of a body of revolution generated by a curve which is neither a circular arc centered on its axis of revolution nor a straight line
    • F16H15/36—Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B in which the member B has a curved friction surface formed as a surface of a body of revolution generated by a curve which is neither a circular arc centered on its axis of revolution nor a straight line with concave friction surface, e.g. a hollow toroid surface
    • F16H15/38—Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B in which the member B has a curved friction surface formed as a surface of a body of revolution generated by a curve which is neither a circular arc centered on its axis of revolution nor a straight line with concave friction surface, e.g. a hollow toroid surface with two members B having hollow toroid surfaces opposite to each other, the member or members A being adjustably mounted between the surfaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H15/00—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by friction between rotary members
    • F16H15/02—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by friction between rotary members without members having orbital motion
    • F16H15/04—Gearings providing a continuous range of gear ratios
    • F16H15/06—Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B
    • F16H15/32—Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B in which the member B has a curved friction surface formed as a surface of a body of revolution generated by a curve which is neither a circular arc centered on its axis of revolution nor a straight line
    • F16H15/36—Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B in which the member B has a curved friction surface formed as a surface of a body of revolution generated by a curve which is neither a circular arc centered on its axis of revolution nor a straight line with concave friction surface, e.g. a hollow toroid surface
    • F16H15/38—Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B in which the member B has a curved friction surface formed as a surface of a body of revolution generated by a curve which is neither a circular arc centered on its axis of revolution nor a straight line with concave friction surface, e.g. a hollow toroid surface with two members B having hollow toroid surfaces opposite to each other, the member or members A being adjustably mounted between the surfaces
    • F16H2015/383—Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B in which the member B has a curved friction surface formed as a surface of a body of revolution generated by a curve which is neither a circular arc centered on its axis of revolution nor a straight line with concave friction surface, e.g. a hollow toroid surface with two members B having hollow toroid surfaces opposite to each other, the member or members A being adjustably mounted between the surfaces with two or more sets of toroid gearings arranged in parallel
DE69115925T 1990-11-16 1991-11-15 TOROID FRICTION GEARBOX Expired - Fee Related DE69115925T2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB909024987A GB9024987D0 (en) 1990-11-16 1990-11-16 Improvements in or relating to variators for transmissions of the toroidal-race rolling-traction type
PCT/GB1991/002016 WO1992008912A1 (en) 1990-11-16 1991-11-15 Toroidalrace rolling-traction type transmission

Publications (2)

Publication Number Publication Date
DE69115925D1 true DE69115925D1 (en) 1996-02-08
DE69115925T2 DE69115925T2 (en) 1996-05-23

Family

ID=10685516

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69115925T Expired - Fee Related DE69115925T2 (en) 1990-11-16 1991-11-15 TOROID FRICTION GEARBOX

Country Status (12)

Country Link
US (1) US5338268A (en)
EP (1) EP0557369B1 (en)
JP (1) JPH06502476A (en)
KR (1) KR100191849B1 (en)
AU (1) AU656345B2 (en)
CA (1) CA2096331A1 (en)
DE (1) DE69115925T2 (en)
ES (1) ES2082237T3 (en)
GB (2) GB9024987D0 (en)
RU (1) RU2096671C1 (en)
UA (1) UA23033C2 (en)
WO (1) WO1992008912A1 (en)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IN176702B (en) * 1988-11-21 1996-08-24 Torotrak Dev Ltd
GB9214190D0 (en) * 1992-07-03 1992-08-12 Robinson Leslie K Improvements in or relating to continuously-variable-ratio transmissions of the toroidal-race rolling-traction type
JP3409514B2 (en) * 1995-07-24 2003-05-26 日産自動車株式会社 Toroidal type continuously variable transmission
AU6909798A (en) 1996-10-28 1998-05-22 Bolter, Herbert Friction gear engrenage a friction
US6547690B1 (en) 1997-07-25 2003-04-15 Zf Friedrichshafen Ag Infinitely variable toroidal drive
US6119539A (en) * 1998-02-06 2000-09-19 Galaxy Shipping Enterprises, Inc. Infinitely and continuously variable transmission system
JPH11303961A (en) * 1998-04-17 1999-11-02 Nippon Seiko Kk Toroidal-type continuously variable transmission
JP4196486B2 (en) 1999-06-29 2008-12-17 日本精工株式会社 Toroidal type continuously variable transmission
JP4807547B2 (en) * 2000-02-02 2011-11-02 株式会社ジェイテクト Toroidal continuously variable transmission
JP3688178B2 (en) * 2000-03-10 2005-08-24 光洋精工株式会社 Toroidal continuously variable transmission
CA2401474C (en) * 2002-09-05 2011-06-21 Ecole De Technologie Superieure Drive roller control for toric-drive transmission
GB0513721D0 (en) 2005-07-05 2005-08-10 Torotrak Dev Ltd Ratio limiting arrangement
RU2465497C2 (en) * 2008-06-05 2012-10-27 Мазаро Нв Reverse variable transmission
US8578802B2 (en) 2009-12-16 2013-11-12 Allison Transmission, Inc. System and method for multiplexing gear engagement control and providing fault protection in a toroidal traction drive automatic transmission
KR20120094060A (en) 2009-12-16 2012-08-23 알리손 트랜스미션, 인크. Variator fault detection system
US8401752B2 (en) * 2009-12-16 2013-03-19 Allison Transmission, Inc. Fail-to-neutral system and method for a toroidal traction drive automatic transmission
CN105179672B (en) * 2009-12-16 2017-07-11 艾里逊变速箱公司 The control loop of converter micro-tensioning system control method and converter
CA2784373C (en) 2009-12-16 2017-11-07 Allison Transmission, Inc. Fast valve actuation system for an automatic transmission
EP2513514A4 (en) * 2009-12-16 2013-08-07 Allison Transm Inc System and method for controlling endload force of a variator
KR20130131314A (en) 2010-08-16 2013-12-03 알리손 트랜스미션, 인크. Gear scheme for infinitely variable transmission
EP2655938A4 (en) 2010-12-15 2016-07-27 Allison Transm Inc Variator switching valve scheme for a torroidal traction drive transmission
CA2821743C (en) 2010-12-15 2018-09-11 Allison Transmission, Inc. Dual pump regulator system for a motor vehicle transmission
CN103370562B (en) 2010-12-15 2016-03-23 艾里逊变速箱公司 For controlling to equipment and the method for the fluid stream of gear in automatic transmission
GB201223469D0 (en) * 2012-12-27 2013-02-13 Mazaro Nv Design features to improve power density and efficiency of a reversible variable transmission - RVT
CA2945468A1 (en) * 2014-04-14 2015-10-22 Kawasaki Jukogyo Kabushiki Kaisha Toroidal continuously variable transmission

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB596331A (en) * 1945-05-03 1948-01-01 Stone J & Co Ltd Improvements in variable speed gearing
US26917A (en) * 1860-01-24 Improvement in hay-presses
US1056292A (en) * 1911-04-03 1913-03-18 Charles H Eder Power-transmission mechanism.
GB410150A (en) * 1932-08-12 1934-05-14 Frank Anderson Hayes Improvements relating to variable speed power transmission mechanism
US2318471A (en) * 1941-05-07 1943-05-04 Adiel Y Dodge Friction toroidal transmission
GB1069874A (en) * 1963-05-03 1963-05-19 Nat Res Dev Variable ratio transmission
GB1078791A (en) * 1964-12-01 1967-08-09 Nat Res Dev Continuously variable ratio transmission system and control system therefor
US3371546A (en) * 1966-05-09 1968-03-05 Gen Motors Corp Toric friction transmission with cross pin ratio changing control
GB1325602A (en) * 1970-06-06 1973-08-08 Rotax Ltd Transmission systems
GB2023753B (en) * 1978-06-23 1982-12-22 Brie Perry F G De Control systems for steplessly-varibale ratio transmissions
US4400987A (en) * 1980-12-22 1983-08-30 Excelermatic Inc. Infinitely variable traction roller transmission
GB8320608D0 (en) * 1983-07-30 1983-09-01 Leyland Vehicles Hydraulic control system
GB2170284B (en) * 1985-01-30 1989-07-05 Nat Res Dev Improvements in or relating to automotive transmissions of the rolling traction type
GB8818518D0 (en) * 1988-08-04 1988-09-07 Robinson L K Improvements in/relating to ram units in transmission of toroidal race rolling traction type
IN176702B (en) * 1988-11-21 1996-08-24 Torotrak Dev Ltd
US4974466A (en) * 1989-11-27 1990-12-04 Excelermatic Inc. Infinitely variable traction roller transmission

Also Published As

Publication number Publication date
EP0557369A1 (en) 1993-09-01
RU2096671C1 (en) 1997-11-20
EP0557369B1 (en) 1995-12-27
KR100191849B1 (en) 1999-06-15
AU8916391A (en) 1992-06-11
KR930702634A (en) 1993-09-09
ES2082237T3 (en) 1996-03-16
GB9024987D0 (en) 1991-01-02
JPH06502476A (en) 1994-03-17
AU656345B2 (en) 1995-02-02
GB2250326A (en) 1992-06-03
CA2096331A1 (en) 1992-05-17
DE69115925T2 (en) 1996-05-23
GB9124273D0 (en) 1992-01-08
UA23033C2 (en) 1998-06-30
GB2250326B (en) 1994-06-08
US5338268A (en) 1994-08-16
WO1992008912A1 (en) 1992-05-29

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee